Loop service — which goes from Madison Street to Michigan Avenue — and Chinatown service from Ping Tom Park end Sunday.
Temperatures are expected to reach highs in the low- to mid-50s Saturday and Sunday, according the National Weather Service.
Water Taxi rides from the North Avenue dock ended Labor Day weekend, but will continue in spring of 2014, according to the Water Taxi website.
Single rides are $3 on weekdays and $4 on weekends in the Loop, and $5 on weekends from Chinatown. Weekday service from Chinatown has already ended.
Schedules of launch times can be found here.